Family: Malvaceae (Mallow family)
Genus: Gossypium
Botanical name: Gossypium arboreum
Sanskrit: Raksita
Hindi: Kapas
English: Cotton plant, Cotton, Tree Cotton
Malayalam: Parutthi, Semparutti, Muripparuti, Kattuparutti
Cotton plant is a shrub attaining heights of one to two metres. Its branches are covered with pubescence and are purple in colour. Stipules are present at the leaf base and they are linear to lanceolate in shape and sometimes falcate (i.e. sickle-shaped). The leaves are attached to the stem by a 1.5 to 10 cm petiole. The blades are ovate to orbicular in shape and have five to seven lobes, making them superficially resemble a maple leaf. The lobes are linear to lanceolate, and often a tooth is present in the sinus. Glands are present along the midrib or occasionally on the adjacent nerves. The leaves are glabrescent, meaning the pubescence is lost with age, but when it is present on young leaves, it is both stellate (i.e. star-shaped) and simple.
The flowers are set on short pedicels (i.e. flower stalks). An epically is present, which is a series of subtending bracts that resemble sepals. Its large, ovate segments are dentate (i.e. toothed along the margins), though sometimes only very slightly so. They are cordate (i.e. heart-shaped) at the base and acute at the apex. The true calyx is small, measuring only about 5 mm in length. Its shape is cupular, and five subtle dentations are present. The corolla is a pale yellow on colour, sometimes with a purple centre, and occasionally entirely purple. It measures 3 to 4 cm in length. The staminal tube bears the anthers and is 1.5 to 2 cm in length. The fruit is a three- or four-celled capsule measuring 1.5 to 2.5 cm across. It is ovoid or oblong in shape and glabrous (i.e. hairless). The surface is pitted and a beak is present at the terminal end. The seeds within are globular and are covered in long white cotton.
The leaves are astringent, bitter, thermogenic, anti-inflammatory, depurative, demulcent, vulnerary, diuretic, emmenagogue and febrifuge. They are useful in vitiated conditions of kapha, inflammations, leprosy, skin diseases, pruritus, wounds, ulcers, strangury, amenorrhoea, dysmenorrhoea, otalgia, erysipelas, conjunctivitis, in children and fever.
Cotton Plant
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